In the following we list the Feynman rules, which are necessary to calculate the convergent contributions
to the tail terms. We first present the Feynman rules in the standard case [1]} and turn then to
those in
the
in–in formalism.
\(\phi :\raisebox {-5.1mm}{\includegraphics {phiprop}} ={}& - \frac{i}{2c_d} D(p)\,,[0]\\A:\raisebox {-5.1mm}{\includegraphics {Aprop}} ={}& \frac{i\delta _{ij}}{2} D(p)\,,[0]\\\sigma :\raisebox {-5.1mm}{\includegraphics {sigmaprop}} ={}&-\frac{i}{2}D(p)[\delta _{i_1j_1}\delta _{i_2j_2} + \delta _{i_1j_2}\delta _{i_2j_1} +(2-c_d)\delta _{i_1i_2}\delta _{j_1j_2}]\,,[0]\\ \hbox{\includegraphics []{vphibinary}}\) 
